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Garvilo Princip assassinated Franz Ferdinand, the heir to the Austro-Hungarian throne.
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Franz Joseph, the Emperor of Austria-Hungary, declares war on Serbia. He blamed Serbia for the assassination of Franz Ferdinand.
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After Austria-Hungary declared war on Serbia, since Russia was an ally to Serbia they were entitiled to help in Serbia's defence.
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On August first Germany delcares war on Russia. On August third Germany delcares war on France.
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On Augaust 4th Germany invades Belgium, even though Belgium wanted to stay neutral, in an attempt to capture Paris. After this happened Britian declared war on Germany.
On Augaust 6th Austria-Hungary delcares war on Russia -
Germany uses submarines to restrict Britian.
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President Woodrow Wilson demands that Germany stops unrestricted submarine warfare.
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Germany torpedoed The Lusitania, a British ship, off of the Irish coast. 1,198 passengers were killed, including 114 Americans.
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After the sinking of the Lusitania, Germany agrees to stop sinking ships becuase of US anger.
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President Woodrow Wilson demand that Germany stops using unrestricted submarine warfare.
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Woodrow Wilson is re-elected. His campaign slogan was "He kept us out of the war."
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Germany resumes unrestricted submarine warfare.
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America translated a telegram from Germany that was going to Mexico. Germany was asking Mexico to help them fight against the U.S. and in return Germany would help Mexico get back the land that they lost in the Mexican-American War.
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President Woodrow Wilson asked Congress toe declare war against Germany. In the speech he said "The world must be made safe for democracy."
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Austria-Hungary declares war on Russia.
